CVE-2026-6367
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
CVE-2026-6367- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-31002
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
EUVD-2026-31002- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pw6f-3999-xp7g
Drupal core allows Cross-Site Scripting (XSS)
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
GHSA-pw6f-3999-xp7g- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
CVE-2026-6367- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
CVE-2026-6367- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-pw6f-3999-xp7g
Drupal core allows Cross-Site Scripting (XSS)
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
GHSA-pw6f-3999-xp7g- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVBIT-drupal-2026-6367 No score
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS).
This issue affects Drupal core: from 11.3.0 before 11.3.7.
- Record
BIT-drupal-2026-6367- Updated
- 2026-11-02
OSVDRUPAL-CORE-2026-003 No score
Drupal 11.3 comes with support for completing entity suggestions whilst adding a link to CKEditor 5.
The suggestions aren't sufficiently sanitized and a malicious user could trigger a stored cross site scripting attack against another user.
- Record
DRUPAL-CORE-2026-003- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
drupal/corePackagist |
11.3.0 up to 11.3.7 | 11.3.7 |
drupalBitnami |
11.3.0 up to 11.3.7 | 11.3.7 |
drupal/corePackagist |
11.3.0 up to 11.3.7, plus listed versions 11.3.111.3.211.3.311.3.411.3.511.3.6 |
11.3.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-6367 is a medium vulnerability (CVSS 6.1) in Drupal, published April 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. Fixed in drupal/core 11.3.7.